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Abstract.......................................................................................................................................1Introduction................................................................................................................................1Tuning processor performance.................................................................................................1Simultaneous multithreading.................................................................................................................1Process scheduling and priority..............................................................................................................2Processor affinity...................................................................................................................................3Logical partitioning and Micro-Partitioning.............................................................................................5Tools to monitor processor performance................................................................................................6The vmstat command.......................................................................................................................6The iostat command........................................................................................................................7The sar command...........................................................................................................................8Tuning memory..........................................................................................................................9Oracle process memory footprint...........................................................................................................9Pinning memory.....................................................................................................................................9Example configuration for using pinned SGA................................................................................10Large page memory............................................................................................................................10Example configuration for using large pages for the Oracle SGA.................................................11Example configuration for using large pages for .text and .data...................................................11Tools to monitor memory usage...........................................................................................................12vmstat............................................................................................................................................12svmon............................................................................................................................................13Tuning I/O performance............................................................................................................14Asynchronous I/O...............................................................................................................................................................................
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